42+ Mr. Pigott’s Determination of 
Dates. App. time. 
1784, Aug. 
o <3. 
26 
11 
Nov. 12 
1785, July 
Aug. 
Sept. 
oa. 
Nov. 
Dec. 
5 - , 
8 54 
9 49 
9 49 
9 33 
9 34 
12 26 
11 44 
12 16 
6 33 
9 24 
5 S° 
12 , 
3 ° 
26* 
59 
1 
50 
37 
55 
26 
48 
Immerfion of v f behind the moon; inftantaneous. 
| Emerfion of Jupiter’s fecond fatellite ; good, though 
1 flight haze. 
Ditto. 
Emerfion of Jupiter*s fecond fatellite. 
Ditto. 
Immerfion of Jupiter’s fecond fatellite; air clear. 
Immerfion of Jupiter’s third fatellite ; good; r the air a 
Immerfion of Jupiter’s fecond fatellite; good; < little va- 
Emerfion of Jupiter’s third fatellite ; ^pourilh. 
* I examined Jupiter’s fourth fatellite during 20', with- 
J out being certain whether it had dirainifhed 
l. light. 
Immerfion of 125 & by the moon, exa a within 3", 
in 
I have again marked with an afterilk the obfervations made 
by Mr. Gqod&icke, who defired me to communicate them. 
This worthy young man exifts no more ; he is not only 
regretted by many friends, but will prove a lofs to aftronomy, 
as the difcoveries he fo rapidly made fufficiently evince : alfo 
his quicknefs in the ftudy of mathematics was well known to 
feveral perfons eminent in that line. 
Declination of the ileedle. 
1780, Sept. 13. at 2 1 , by a mean of 22 trials, 
1782, Dec. 26. at of, by a mean of 16 trials, 
by a mean of 19 trials, 
1783, Nov. 14. at o|, 
Declination weft. 
23 40 1 
23 5 + 
23 59- 
1784, Jan. 17. at of, by a mean of 13 trials, 23 54-f 
Thefe obfervations were taken with all poflible exailnefs ; the 
needle was four inches long, and made by Dollond. t 
Sir H. Englefield, when at Scarborough, in Auguft and 
September, 1781, was fo kind as to obferve, at noon, the 
height of his barometer and thermometer. I alfo made fimilar 
obfervations 
